<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="css/渐变.css" />
	</head>
	<body>
		<center>
			<div class="box1" ">
			
		</div>
		</center>
	</body>
</html>
